Casing water-packer.



PATENIED JUNE 9, 1963. c. HAAs.

GASINGl WATER PAGKER.

.AP-PLIOATION FILED DBO. 15, 1902.

No MODEL,

Inventor.

I nesses.

" CHARLES HAAs, oF AUSTIN, TEXAs-f;

PATENT atented Tune 9,- 1903.

OFFICE- cvAsiNe WATER-PACKER, jij

.sPFcrFIcArIoN forming part of Lettersv Patent No. 730,257, Hated .rune9, 1903.,

Application filed December 15, 1902. Serial No. 135,276. (No modeL), .yi

To a/ZZ whom t may concern:

Be it known that I, CHARLES HAAS', Welldrilling engineer,ofthe city ofAustin, county of Travis, and State ofY Texas, have invented certain newand useful Improvements in Casing Water-Packers; and I do hereby declarethat the following is a full, clear, and exact description of the same.

My invention consists of an improved water-packer for Artesian wells.

The casing water-packer hitherto used for petroleun1oil wells is simplymade of a steel shoe or collar, tapering at its lower extremity and isliable to make its way into and crush the rock with the pointed ends,and thereby gradually clog the well with the crumbled earth. Moreover,the pointed ends being easily worn off must often be substituted by newones. l

The object of my invention is to provide against these defects, auditnot only can effectually prevent the water cominginto the well, but alsocan prevent the crumbling of the rock. v Y

My device consists of the features hereinafter described and claimed,all of which will be fully understood by reference to the accompanyingdrawings. l

In the drawings, Figure l is a longitudinal section of a packerembodying my improvement. Fig. 2 is a' side view of a packer representedin the'well. Fig. 3 is a longitudinal section of Va modified form ofpacker. Fig. 4is a side view of said modified form of packer.

Similar characters indicate corresponding parts in the views.

A is a casing-or pipe threaded at 'its lower end, as shown inthedrawings, with which is engaged a steel ring or washer b, then a collarc, made of gum or other elastic substances, and, finally, the steel shoeor collar d. As shown ,in the drawings, the gum collar c is externallycylindrical in shape, the upper extremities of which are providedWiththe flan ge p e, while internally it tapers at the parts fand formsthe opening g. The steel shoe or collar d is also externally cylindricalin shape to t to the inside of the gum collar c. The

upper part of its inner bore is threaded,while the lower extremities ofthe shoe, as indicated by letter h, taper, the degree of its taperingless acutehowever, than that of the'tapering inside of the gum collar..

In a modified form of a packer, as shown in Fig. 3 and Fig. 4:, thesteel ring band Washer b and gum collar c are secured on steel shoe orcollar CZ instead of easing or pipe a.. Consequently shapes are notsimilar with those aforementioned, and the upper extremities of theinner sides of the steel ring or washer b are provided wit-h threads,and its lower parts taper, as shown in the drawings, while the upperextremities of the gum collar c bend toward the inner parts, as shown inthe drawings, and are so made as to fill the space between the taperingparts of the inner sides of a ring b and the shoulders of steel shoe d.The shape of the outside of a steel shoe d differs also from thataforementioned-11, e., the outside of its upper extremities j isprovided with threads and its shoulders taper, so as to fit to the upperparts of a gum collarI c.

The operation of this invention is very simple'. When casing or pipe ispressed,the. lower` parts of the gum collar c are pushed sidewise towardthe walls of the well, and thus prevent the water coming in from theside walls. With the lower extremities of the steel shoe or collartapering inside the gum will not be pressed inward. The pointedextremities of the gum collar will n ot come in direct contact with therock. The work of pumping oil can therefore be carried on easily withoutany danger of crushing the rock and clogging the well with the debris.

The operation of the modified form of my invention, as shown in Fig. 3and Fig. 4, is not different than that of the leading form. In thismodified form the steely shoe d is directly secured on the casing .orpipe a and therefore can easily be'remov'ed. Moreover, the shoulders ofa gum collar* heilig `broader than other one has one more advantage inits being tightly fastened by a steel ring b and a steel shoe d. 1 v

Having thus particularly described and ascertained the nature ot' mysaid invention and in what manner the same is to be performed, I declarethat what I claim is- 1. A water-packer, comprising a pipe, a

lOO

steel shoe at the extremity of said pipe, an elastic collar around saidshoe, and a ring engaging the pipe and the collar.

2. The combination in a water-packer of a collar made of suitableelastic material having a flanged upper extremity, a central borethrough said collar tapered at the lower end, a steel shoe adapted to tsaid central bore of said collar and having a tapering lower extremity,and a ring adapted to engage the flanged upper extremity of said elasticcollar.

3. In a water-packer, the combination of a pipe provided with a threadedextremity, a steel shoe engaging said extremity and hav- CHARLES I-IAAS.

Witnesses;

L. WALDMAN, E. HANUSCH.

